Current line GeForce GTX 8xxM includes a relatively new processor GM107, and repeatedly renamed card based on GK104.
In October NVIDIA is going to start deliveries of the new mobile solutions that have evolved to NINE series. The GeForce GTX 980M is based on the most likely to be used processor architecture GM204 Maxwell.
Other colleagues also called names of other mobile graphics cards belonging to the new series. This GeForce GT 940M, GeForce GTX 950M, GeForce GTX 960M, GeForce GTX 970M, GeForce GTX 975M.